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Intermediate Algebra

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Solve:

2x^-2 - 5x^-1 - 3 = 0

2a^2 -5a - 3 = 0

(2a^2 - ) + ( a - ) = 0

I am stuck here please help.

  • Intermediate Algebra -

    is 2a^2 -5a - 3 = 0
    supposed to be the simplified version of
    2x^-2 - 5x^-1 - 3 = 0 ??

    your first equation would be

    2/x^2 - 5/x - 3 = 0
    multiply each term by x^2
    2 - 5x - 3x^2 = 0
    3x^2 + 5x - 2 = 0
    (3x-1)(x+2) = 0
    x = 1/3 or x = -2

  • Intermediate Algebra -

    yes that is the sinplified version of

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